The invention provides a Chinese herbal preparation for clearing heat, reducing swelling and relieving pain, which is an external preparation. The Chinese herbal preparation comprises the following active components in parts by weight: 5-30 parts of cortex phellodendri, 2-20 parts of coptis chinensis, 5-30 parts of rheum officinale, 12-50 parts of gypsum, 2-20 parts of borneol, 12-50 parts of purslane, 12-50 parts of herba siegesbeckiae, 5-30 parts of pharbitis seeds, 5-30 parts of radix stephaniae tetrandrae, 5-30 parts of semen lagenariae sicerariae, 5-30 parts of poria peel, 5-30 parts of mirabilite, 12-50 parts of clematis roots and 12-50 parts of rhizoma corydalis. The Chinese herbal preparation is locally applied to the outside of joints, can remarkably relieve inflammation of joints, caused by trauma or rheumatism, has favorable curative effects of clearing heat, reducing swelling, smoothing veins and relieving pain, can further improve Chinese medicine symptoms (such as thirst, restlessness sweating and deep-colored urine) of dampness-heat blockage type arthritis patients, has less adverse effects, and is free from allergic eruption and blister, allergic reaction, light sensitization reaction and the like.